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Merge branch 'bug3135' into maint-0.2.1

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This commit is contained in:
Nick Mathewson 2011-05-11 22:49:44 -04:00
commit d1c7f65a8e
2 changed files with 7 additions and 1 deletions
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6
changes/bug3135 Normal file
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@ -0,0 +1,6 @@
o Minor bugfixes
- Do not crash when our configuration file becomes unreadable
(usually due to a permissions change) between when we start
up and when a controller calls SAVECONF. Fixes bug 3135;
bugfix on 0.0.9pre6.

2
src/or/config.c
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@ -4625,7 +4625,7 @@ write_configuration_file(const char *fname, or_options_t *options)
switch (file_status(fname)) {
case FN_FILE:
old_val = read_file_to_str(fname, 0, NULL);
if (strcmpstart(old_val, GENERATED_FILE_PREFIX)) {
if (!old_val || strcmpstart(old_val, GENERATED_FILE_PREFIX)) {
rename_old = 1;
}
tor_free(old_val);